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대메뉴안내: 농수식품
농림성과 수산성과 식품성과 인터뷰
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강지훈 (Ji-Hoon Kang)
충남대학교
조회 123  인쇄하기 주소복사 트위터 공유 페이스북 공유 
Surfactant type affects the washing effect of cinnamon leaf essential oil emulsion on kale leaves
Ji-Hoon Kang, Su-Jong Park, Jun-Beom Park, Kyung Bin Song*

Department of Food Science and Technology, Chungnam National University, Daejeon 34134, Republic of Korea

*Corresponding author : Kyung Bin Song

Abstract
With increasing foodborne illness associated with fresh-cut produce, a chemical sanitizer to substitute chlorine is needed in the food industry. This study examined the washing effect of cinnamon leaf essential oil (CL-EO) emulsions on fresh-cut produce according to the ionic properties of surfactants. Washing effect of CL-EO emulsion (CLC) with cetylpyridinium chloride was the highest among all treatments on kale leaves. After CLC treatment, 1.83 and 1.54 log reductions against Listeria monocytogenes and Escherichia coli O157:H7 were achieved, respectively, compared to washing with distilled water, and had about 0.6 log-reductions higher than NaOCl treatment. CL-EO droplets in CLC had a positive ζ-potential (+55?mV) compared to other emulsions. These results indicate that ionic properties of surfactants are very important in the washing effect of CL-EO emulsion. Additionally, CLC treatment did not affect the quality of kale leaves during storage. Therefore, CLC can be an effective chemical sanitizer for washing kale leaves.

Keywords : Cinnamon leaf oil emulsion, Kale leaves, Surfactant type, Washing effect
논문정보
- 형식: Research article
- 게재일: 2018년 07월 (BRIC 등록일 2018-08-09)
- 연구진: 국내연구진 태극기
- 분야: Food_Technology
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